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Official data from INPI

DISPOSITIVO DE ANTEPARA DO NÚCLEO DE UM REATOR NUCLEAR COM ÁGUA PRESSURIZADA

Em AnáliseInvention Patent

Application data

Number

PI8400098

Type

Invention Patent

Filing

01/10/1984

Publication

08/21/1984

Progress at the INPI

  1. Filing01/10/84
  2. Publication08/21/84
  3. Examination08/12/86
  4. Allowance04/23/91
  5. Grant11/26/91
  6. Expired07/08/08

The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/12/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Framatome & Cie.

FR

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Inventors

G. D. (pessoa física)

FR

J. M. (pessoa física)

FR

P. A. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

83-00396 · 01/12/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

08/21/1984

RPI 722

Pedido de patente depositado

#2.1

03/20/1984

RPI 700

Carta-patente expirada

#21.1

Patente extinta em 10/01/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

08/06/1991

RPI 1079

Deferimento

#9.1

04/23/1991

RPI 1064

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